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    Once what to do, these computers will show great power in carrying it out. A．to teach B．teaches C．teaching D．taught 【查看更多】

     

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    Once ________ what to do, these computers will show great power in carrying it out.

    [　　]

    A. to teach
    B. teaches
    C. teaching
    D. taught

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    Once ________ what to do, these computers will show great power in carrying it out.

    [　　]

    A. to teach
    B. teaches
    C. teaching
    D. taught

    查看答案和解析>>

    Once　　　 what to do,these computers will show great power in carrying it out.

    A、to teach　　 B、teaches　　 C、teaching　　 D、taught

     

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